RADIOLOGY EXAM ACTUAL EXAM DETAILED QUESTIONS AND VERIFIED ANSWERS NEWEST EXAM.
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Course
RADIOLOGY
Institution
RADIOLOGY
RADIOLOGY EXAM ACTUAL EXAM DETAILED QUESTIONS AND VERIFIED ANSWERS NEWEST EXAM.
Which of the following is MOST likely to contribute to the fogging of X-ray film? - ANSWERLight leaks in the darkroom.
Which of the following conditions will result in a radiographic image that is too light? - A...
RADIOLOGY EXAM ACTUAL EXAM
DETAILED QUESTIONS AND VERIFIED
ANSWERS NEWEST EXAM.
Which of the following is MOST likely to contribute to the fogging of X-ray film? -
ANSWERLight leaks in the darkroom.
Which of the following conditions will result in a radiographic image that is too light? -
ANSWERWeak developing solution.
The purpose for using film-holding devices when taking intraoral radiographs is to -
ANSWERassist in correct film placement.
A film with thin density and a herringbone pattern across it is the result of -
ANSWERfilm packet reversal.
A full mouth radiographic survey has just been processed manually. The top films on
the processing rack have a straight, clear border on the upper edge. This error is
caused by - ANSWERtoo low a level of developer solution.
When taking a panoramic radiograph on an obese patient, as compared to a slim
patient, exposure (kvp or mA) should: - ANSWERbe increased.
The major disadvantage of the bisecting angle technique is that - ANSWERimage
distortion is more likely.
To reduce cross-contamination during radiography, the CDC and ADA recommended
that the operators do all of the following EXCEPT: - ANSWERtake complete medical
histories.
Ideally, a lead apron would be used - ANSWERfor any dental radiographs.
A full mouth radiographic series has just been processed manually. The operator notes
that the films on the bottom of the rack are of a different density. What could have
caused this? - ANSWERSolutions were not stirred before processing.
A film that has been exposed to scattered radiation will appear - ANSWERfogged.
X-ray exposure time should be increased if the patient is - ANSWERa large adult.
Before exposing a panoramic radiograph on a patient, the operator should request the
removal of all of the following EXCEPT - ANSWERwatch.
A parent refuses to have radiographs taken on his/her child. The dental assistant should
- ANSWERinform the dentist and document parent's refusal.
,Incorrect horizontal angulation of the primary bream produces - ANSWERoverlapping of
proximal surfaces.
Where is the radiographic landmark 'incisive foramen' usually located? -
ANSWERmaxillary anterior
Cephalometric radiographs are PRIMARILY indicated to evaluate - ANSWERjaw
relationships.
When taking a panoramic radiograph, the patient's head should be oriented -
ANSWERwith the midsagittal plane perpendicular to the floor.
, Using faster speed film requires - ANSWERa shorter exposure time.
he life expectancy of radiographic processing solution depends upon all of the following
EXCEPT - ANSWERtemperature of the solution.
Insufficient washing of processed radiographic film will result in a - ANSWERbrownish-
yellow stain on the radiograph.
A radiograph turns brown over time. The MOST likely cause is -
ANSWERunderwashing.
Density of radiograph is controlled by all of the following EXCEPT - ANSWEROFD
(object film distance).
When processing a radiograph, the darkroom overhead light was off, the safety light
was on, and the door was slightly open. What effect will exposure to minor amounts of
room light have on the processed radiograph? It will appear - ANSWERblack.
Which method is considered MOST effective for handling and processing radiographs to
prevent microbial contamination? - ANSWERcover with barrier envelopes.
A person exposing X-rays can BEST be protected from scattered radiation by -
ANSWERstanding behind a lead barrier.
Radiographs mounted with the raised portions of the dots toward the observer are
examined as though the observer is. - ANSWERoutside the mouth looking in.
A film accidentally exposed to white light between developing and fixing will appear. -
ANSWERdark.
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